Whenever I visit an Apple Store I always try and come to the conclusion that the touch pads of ALL (!) new MacBooks don't respond to my touch. The cursor just doesn't move. Here's the problem: I was born missing both under arms, which never was a problem using computers. I can type on any laptop, cell phone or iPhone without adjustments or help. Untill now... The new track pads are made of some sort of other material. I don't have this problem with older MacBooks, and I don't have it with my iPhone (3G). Any ideas out there as to why and how to fix it? Thanks!